CN209818337U - Immersible pump with prevent backflow effect - Google Patents

Abstract

The utility model provides a immersible pump with prevent refluence effect, its characterized in that: the water inlet shell is internally provided with a water flowing chamber, the center of the water flowing chamber is provided with a tile seat, the tile seat is provided with a shaft sleeve, the mandrel penetrates through the shaft sleeve, the diversion shell is arranged on the upper surface of the water inlet shell through a bolt, the diversion shell is internally provided with a water through groove and a water outlet, the water through groove is communicated with the water outlet, the mandrel is provided with an impeller, and the impeller is arranged in the water through groove; the water inlet chamber is further formed in the water inlet shell, the water inlet is formed in the water inlet shell, the supporting block is arranged in the water inlet shell, the spring groove is formed in the supporting block, the limiting block is arranged in the spring groove, the spring is arranged between the limiting block and the side wall of the spring groove, and the water stopping block is arranged on one side of the limiting block. The beneficial effects of the utility model are that enable the immersible pump and have the effect of preventing flowing backwards, can play the effect of the protection pump body when taking place to flow backwards.

Description

Immersible pump with prevent backflow effect

Technical Field

The utility model relates to a immersible pump especially relates to a immersible pump with prevent refluence effect.

Background

The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work. The method is used for extracting underground water to the ground surface, is used for domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting and ship load adjustment, can also be used for fountain landscape, is used for hot spring bath by using a hot water submersible pump, can also be used for extracting underground water from a deep well, and can also be used for water extraction projects such as rivers, reservoirs, water channels and the like. The water-saving device is mainly used for farmland irrigation and water for people and livestock in high mountain areas, and can also be used for central air-conditioning cooling, heat pump units, cold pump units, cities, factories, railways, mines and construction sites for water drainage. The general flow can reach (5m 3-650 m3) per hour, and the lift can reach 10-550 meters.

Most immersible pumps do not have the anti-backflow effect at present, and the pump body receives hydraulic effect easily and makes water produce the refluence when carrying out the water feeding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a immersible pump with prevent backflow effect, enable the immersible pump and have the effect of preventing backflow, can play the effect of the protection pump body when taking place to flow backwards.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a immersible pump with prevent refluence effect which characterized in that: the water inlet shell is internally provided with a water flowing chamber, the center of the water flowing chamber is provided with a tile seat, the tile seat is provided with a shaft sleeve, the mandrel penetrates through the shaft sleeve, the diversion shell is arranged on the upper surface of the water inlet shell through a bolt, the diversion shell is internally provided with a water through groove and a water outlet, the water through groove is communicated with the water outlet, the mandrel is provided with an impeller, and the impeller is arranged in the water through groove; the water inlet structure is characterized in that a water inlet chamber is further formed in the water inlet shell, a water inlet is formed in the water inlet shell, a supporting block is arranged in the water inlet shell, a spring groove is formed in the supporting block, a limiting block is arranged in the spring groove, a spring is arranged between the limiting block and the side wall of the spring groove, a water stopping block is arranged on one side of the limiting block and penetrates through the supporting block, a water passing groove is formed in the water stopping block, a water passing opening and a water flowing opening are formed in the water stopping block, a telescopic rod is fixedly arranged in the water passing groove, one end of the telescopic rod is fixed to the side wall of the water passing groove, a water blocking block is arranged at the other end of the telescopic rod and is arranged in the water passing opening, a first water passing hole is formed in the water inlet shell, and the first water passing hole is formed between the.

Furthermore, a bearing bush is arranged on the mandrel and is in contact with the shaft sleeve. This improves the service life of the mandrel.

Furthermore, a sealing ring is arranged between the diversion shell and the water inlet shell. Therefore, the untight sealing between the diversion shell and the water inlet shell can be prevented.

Furthermore, a first water through groove is formed in the tile seat. Thus, when water is supplied again, the pressure is uniform.

Furthermore, a second water through hole is formed between the water inlet chamber and the water flowing chamber. This enables the water to run more smoothly.

Compared with the prior art, the utility model has the advantages and positive effect be, owing to adopt above-mentioned technical scheme, the design of spring can be when water pressure is lower, make the stagnant water stop up the water inlet soon, can effectually prevent water refluence and go out, the design of telescopic link enables to block up water soon with the water service port totally enclosed good, can prevent the water pump body of pouring out like this, the limbers is provided with two like this can not produce the interference when water passes through, make rivers logical more smooth, the design of axle bush enables the dabber excessive friction, can improve the life of dabber like this, the design of sealing ring enables to be in totally enclosed state in the pump body, the condition that can not leak takes place.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the water shutoff device of the present invention;

in the figure:

1. water inlet shell 2, first limber hole 3 and diversion shell

4. Impeller 5, mandrel 6 and water outlet

7. Water trough 8, sealing ring 9, bolt

10. Supporting block 11, water stop block 12 and telescopic rod

13. Water flowing port 14, water blocking block 15 and limiting block

16. Spring 17, second through hole 18 and shaft sleeve

19. Bearing bush 20, bush seat 21 and first water through groove

22. Spring groove 23, water inlet chamber 24 and water inlet

25. A water flowing chamber 26, a water flowing groove 27 and a water flowing port

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the figures and descriptions have omitted, for the sake of clarity, the representation and description of components and processes that are not relevant to the present invention and known to those of ordinary skill in the art.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 2, the present embodiment provides a submersible pump with a backflow prevention effect, which is characterized in that: the water inlet shell comprises a water inlet shell 1, a diversion shell 3 and a mandrel 5, wherein a water flowing chamber 25 is arranged in the water inlet shell 1, a tile seat 20 is arranged in the center of the water flowing chamber 25, a shaft sleeve 18 is arranged on the tile seat 20, and a first water passing groove 21 is formed in the tile seat 20, so that the pressure of the water flowing chamber is uniform when water is fed again, the mandrel 5 penetrates through the shaft sleeve 18, a bearing bush 19 is arranged on the mandrel 5, and the bearing bush 19 is in contact with the shaft sleeve 18, so that the service life of the mandrel 5 can be prolonged, the diversion shell 3 is arranged on the upper surface of the water inlet shell 1 through a bolt 9, a sealing ring 8 is arranged between the diversion shell 3 and the water inlet shell 1, so that the untight sealing between the diversion shell 3 and the water inlet shell 1 can be prevented, a water passing groove 7 and a water outlet 6 are arranged in the diversion shell 3, the water passing; a water inlet chamber 23 is further arranged in the water inlet shell 1, a second water through hole 17 is further arranged between the water inlet chamber 23 and the water flowing chamber 25, so that water can run more smoothly, a water inlet 24 is arranged on the water inlet shell 1, a supporting block 10 is arranged in the water inlet shell 1, a spring groove 22 is arranged in the supporting block 10, a limiting block 15 is arranged in the spring groove 22, a spring 16 is arranged between the limiting block 15 and the side wall of the spring groove 22, a water stopping block 11 is arranged on one side of the limiting block 15, the water stopping block 11 penetrates through the supporting block 10 and is arranged in the water inlet 24, a water passing groove 26 is arranged in the water stopping block 11, a water through opening 27 and a water flowing opening 13 are arranged on the water stopping block 11, a telescopic rod 12 is fixedly arranged in the water passing groove 26, one end of the telescopic rod 12 is fixed on the side wall of the water passing groove 26, a water stopping block 14 is arranged, the first water passage hole 2 is provided between the water inlet chamber 23 and the water flowing chamber 25.

The working process of the example is as follows: when water pumping treatment is needed, the mandrel 5 is rotated to drive the impeller 4 to rotate, water extrudes the water stop block 11 through the water inlet 24, the water stop block 11 extrudes the spring 16, water also passes through the water through hole 27 at the same time, the water extrudes the water stop block 14 to retract the telescopic rod 12, so that the water enters the water inlet chamber 23 through the water flowing port 13, the water enters the water flowing chamber 25, under the action of the rotation of the impeller 4, water is sent into the water trough 7 through the impeller 4 and is discharged into the water outlet 6 through the water trough 7, when the backflow occurs, the water flows into the flowing water chamber 25 through the impeller 4, flows into the water inlet chamber 23 through the first water passage hole 2 and the second water passage hole 17, at this time, water flows into the water passing groove 26 through the water flowing port 13, at this time, the water extrudes the water blocking block 14, the water inlet is blocked by the water stop block 11 under the action of the spring 16, the telescopic rod 12 and the water pressure.

Owing to adopt above-mentioned technical scheme, the design of spring can be when water pressure is lower, make the stagnant water stop up the water inlet soon, can effectually prevent that water from flowing backwards and go out, the design of telescopic link enables to block up water soon with the water service port totally enclosed, can prevent the water pump body of flowing backwards like this, the limbers is provided with two and can not produce the interference when water passes through like this, make rivers lead to more smoothly, the design of axle bush enables the dabber excessive friction, can improve the life of dabber like this, the design of sealing ring enables to be in totally enclosed state in the pump body, the condition that can not leak takes place.

While one or more embodiments of the present invention have been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (5)

1. The utility model provides a immersible pump with prevent refluence effect which characterized in that: the water inlet guide shell comprises a water inlet shell (1), a diversion shell (3) and a mandrel (5), wherein a water flowing chamber (25) is formed in the water inlet shell (1), a tile seat (20) is arranged at the center of the water flowing chamber (25), a shaft sleeve (18) is arranged on the tile seat (20), the mandrel (5) penetrates through the shaft sleeve (18) to be arranged, the diversion shell (3) is arranged on the upper surface of the water inlet shell (1) through a bolt (9), a water passing groove (7) and a water outlet (6) are formed in the diversion shell (3), the water passing groove (7) is communicated with the water outlet (6), an impeller (4) is arranged on the mandrel (5), and the impeller (4) is arranged in the water passing groove (7);

the water inlet casing (1) is internally provided with a water inlet chamber (23), the water inlet casing (1) is provided with a water inlet (24), the water inlet casing (1) is internally provided with a supporting block (10), the supporting block (10) is internally provided with a spring groove (22), the spring groove (22) is internally provided with a limiting block (15), a spring (16) is arranged between the limiting block (15) and the side wall of the spring groove (22), one side of the limiting block (15) is provided with a water stop block (11), the water stop block (11) penetrates through the supporting block (10) and is arranged in the water inlet (24), the water passing groove (26) is arranged in the water stop block (11), the water passing opening (27) and the water flowing opening (13) are arranged on the water stop block (11), a telescopic rod (12) is fixedly arranged in the water passing groove (26), one end of the telescopic rod (12) is fixed on the side wall of the water passing groove, the other end of the telescopic rod (12) is provided with a water plugging block (14), the water plugging block (14) is arranged in the water through hole (27), the water inlet shell (1) is provided with a first water through hole (2), and the first water through hole (2) is arranged between the water inlet chamber (23) and the water flowing chamber (25).

2. The submersible pump with the backflow prevention effect according to claim 1, characterized in that: the mandrel (5) is provided with a bearing bush (19), and the bearing bush (19) is in contact with the shaft sleeve (18).

3. The submersible pump with the backflow prevention effect according to claim 1, characterized in that: and a sealing ring (8) is arranged between the diversion shell (3) and the water inlet shell (1).

4. The submersible pump with the backflow prevention effect according to claim 1, characterized in that: the tile seat (20) is provided with a first water through groove (21).

5. The submersible pump with the backflow prevention effect according to claim 1, characterized in that: a second water through hole (17) is also arranged between the water inlet chamber (23) and the water flowing chamber (25).